java

1: ReverseStringInGroup: Please fill the function String reverseInGroup(String str, int k) to reverse the given string in group with size as k.

Example 1: Input: str = abcdef, k = 2 Return: badcfe Example 2: Input: str = abcdef, k = 4 Return dcbafe

2: checkCapital: Please fill the function boolean checkCapital(String str) to check if the given string if a Capital String. A String is called a Capital String only if one of the following conditions is satisfied: a) All the characters in the String are capitals b) Only the first character is capital and the string has more than characters.

Example 1: Input: str = Computer Return: True Example 2: Input: str = GOOD Return True Example 3: Input: str = AmericA Return False